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July Weather in Williamsville, United States

Last updated: June 24, 2025

In July, the average temperature in Williamsville, United States is a comfortable 25°C (77°F). Expect a range that dips to a cool 13°C (55°F) at its lowest and soars up to a warm 35°C (95°F) at its peak. The region experiences an average precipitation of 116 mm (4.6 in) over 11 days, accompanied by a high average humidity of 82%. Be prepared for a mix of warm days and the occasional shower!

July Temperature in Williamsville

In July in Williamsville, the average temperature is 25°C (77°F). Maximums can reach 35°C (95°F), while minimums can drop to as low as 13°C (55°F). This makes Williamsville an ideal destination for travelers seeking warm weather with pleasant evenings.

July Weather in Williamsville: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Williamsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Williamsville, July typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec293143526575777471574236
Data source: Temperature data for Williamsville generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Williamsville

In Williamsville in July, the precipitation amount is 116 mm (4.6 in) over the course of 11 days.

July Precipitation Trends in Williamsville

The chart displays monthly precipitation patterns in Williamsville, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Williamsville, July typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec696913012814312411687641116852
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Williamsville

In Williamsville in July, humidity is 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

July Average Humidity in Williamsville

This chart illustrates the average monthly humidity levels in Williamsville, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Williamsville is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Williamsville

In Williamsville in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Williamsville.

Maximum UV Index Levels in Williamsville for July

The chart shows the monthly maximum UV Index (UVI) for Williamsville in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In July, the maximum UV index in Williamsville typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111198643
Data source: Williamsville July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How July Weather in Williamsville Compares to Other Months

Weather in Williamsville varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in Williamsville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Williamsville, showing how July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)69 mm (2.7 inches)84%moderate
February Weather0°C (32°F)69 mm (2.7 inches)82%moderate
March Weather6°C (44°F)129 mm (5.1 inches)84%high
April Weather11°C (53°F)128 mm (5.1 inches)83%very high
May Weather18°C (66°F)143 mm (5.6 inches)80%very high
June Weather24°C (75°F)124 mm (4.9 inches)83%extreme
July Weather25°C (77°F)116 mm (4.6 inches)82%extreme
August Weather23°C (74°F)87 mm (3.4 inches)82%very high
September Weather22°C (71°F)64 mm (2.5 inches)79%very high
October Weather14°C (58°F)111 mm (4.4 inches)79%high
November Weather5°C (42°F)68 mm (2.7 inches)88%moderate
December Weather2°C (36°F)52 mm (2.1 inches)87%moderate

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